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• Western Digital CAVIAR BLACK WD6401AALS 640GB 7200RPM 3Gbps 32MB 3.5IN SATA Hard Drive
• Manufacturer: WESTERN DIGITAL
• Model Number: WD6401AALS
• Product Type: Internal 3.5in HDD
• Capacity: 640GB
• Rotational Speed: 7200RPM
• Interface Type: 3.5" SATA 3Gb/s
• Buffer (cache) Size: 32MB
• Shipping: Free Standard (USA). Expedited and International (Optional)
• Weight: 2.0 pound
• Warranty: 1 Year